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drivers: gpio: implement PALMAS GPIO cell

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Add gpio driver for TI Palmas series PMIC. This has 8 gpio which can
work as input/output.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
This commit is contained in:
Svyatoslav Ryhel
2023-07-21 10:50:15 +03:00
parent 6b24c372c1
commit 52b6bbf162
5 changed files with 161 additions and 1 deletions
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12
include/power/palmas.h
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@@ -15,6 +15,7 @@ struct palmas_priv {
#define PALMAS_LDO_DRIVER "palmas_ldo"
#define PALMAS_SMPS_DRIVER "palmas_smps"
#define PALMAS_RST_DRIVER "palmas_rst"
#define PALMAS_GPIO_DRIVER "palmas_gpio"
#define PALMAS_SMPS_VOLT_MASK 0x7F
#define PALMAS_SMPS_RANGE_MASK 0x80
@@ -35,3 +36,14 @@ struct palmas_priv {
#define DEV_OFF 0x00
#define PALMAS_INT3_MASK 0x1B
#define MASK_VBUS BIT(7)
/* second chip */
#define PALMAS_GPIO_DATA_IN 0x80
#define PALMAS_GPIO_DATA_DIR 0x81
#define PALMAS_GPIO_DATA_OUT 0x82
#define PALMAS_GPIO_DEBOUNCE_EN 0x83
#define PALMAS_GPIO_CLEAR_DATA_OUT 0x84
#define PALMAS_GPIO_SET_DATA_OUT 0x85
#define PALMAS_PU_PD_GPIO_CTRL1 0x86
#define PALMAS_PU_PD_GPIO_CTRL2 0x87
#define PALMAS_OD_OUTPUT_GPIO_CTRL 0x88